diff --git a/.eslintrc.js b/.eslintrc.js
index 93dfb07dc..e0371599c 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -34,7 +34,7 @@ module.exports = {
     'eslint-plugin/report-message-format': 'error',
     'eslint-plugin/require-meta-docs-description': [
       'error',
-      { pattern: '^(Enforce|Ensure|Prefer|Forbid).+\\.$' },
+      { pattern: String.raw`^(Enforce|Ensure|Prefer|Forbid).+\.$` },
     ],
     'eslint-plugin/require-meta-schema': 'error',
     'eslint-plugin/require-meta-type': 'error',
diff --git a/package.json b/package.json
index 046bd0527..7635a7568 100644
--- a/package.json
+++ b/package.json
@@ -48,6 +48,7 @@
     "eslint": "^8.57.0 || ^9.0.0"
   },
   "dependencies": {
+    "@typescript-eslint/scope-manager": "^8.1.0",
     "@typescript-eslint/utils": "^8.1.0",
     "debug": "^4.3.4",
     "doctrine": "^3.0.0",
@@ -82,8 +83,8 @@
     "@total-typescript/ts-reset": "^0.5.1",
     "@types/debug": "^4.1.12",
     "@types/doctrine": "^0.0.9",
-    "@types/eslint8.56": "npm:@types/eslint@^8.56.11",
     "@types/eslint": "^9.6.1",
+    "@types/eslint8.56": "npm:@types/eslint@^8.56.11",
     "@types/eslint9": "npm:@types/eslint@^9.6.1",
     "@types/is-glob": "^4.0.4",
     "@types/jest": "^29.5.12",
@@ -97,9 +98,7 @@
     "cross-env": "^7.0.3",
     "enhanced-resolve": "^5.16.0",
     "escope": "^4.0.0",
-    "eslint8.56": "npm:eslint@^8.56.0",
     "eslint": "^9.15.0",
-    "eslint9": "npm:eslint@^9.15.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-doc-generator": "^1.7.1",
     "eslint-import-resolver-typescript": "^3.6.1",
@@ -112,6 +111,8 @@
     "eslint-plugin-n": "^16.6.2",
     "eslint-plugin-prettier": "^5.1.3",
     "eslint-plugin-unicorn": "^56.0.1",
+    "eslint8.56": "npm:eslint@^8.56.0",
+    "eslint9": "npm:eslint@^9.15.0",
     "hermes-eslint": "^0.23.1",
     "jest": "^29.7.0",
     "klaw-sync": "^6.0.0",
diff --git a/src/rules/dynamic-import-chunkname.ts b/src/rules/dynamic-import-chunkname.ts
index fdde52e39..2b27c4131 100644
--- a/src/rules/dynamic-import-chunkname.ts
+++ b/src/rules/dynamic-import-chunkname.ts
@@ -73,7 +73,7 @@ export = createRule<[Options?], MessageId>({
     const {
       importFunctions = [],
       allowEmpty = false,
-      webpackChunknameFormat = '([0-9a-zA-Z-_/.]|\\[(request|index)\\])+',
+      webpackChunknameFormat = String.raw`([0-9a-zA-Z-_/.]|\[(request|index)\])+`,
     } = context.options[0] || {}
 
     const paddedCommentRegex = /^ (\S[\S\s]+\S) $/
diff --git a/src/rules/no-default-export.ts b/src/rules/no-default-export.ts
index d41b33b41..565c5e91e 100644
--- a/src/rules/no-default-export.ts
+++ b/src/rules/no-default-export.ts
@@ -37,7 +37,8 @@ export = createRule({
 
       ExportNamedDeclaration(node) {
         for (const specifier of node.specifiers.filter(
-          specifier => getValue(specifier.exported) === 'default')) {
+          specifier => getValue(specifier.exported) === 'default',
+        )) {
           const { loc } = sourceCode.getFirstTokens(node)[1] || {}
           // @ts-expect-error - experimental parser type
           if (specifier.type === 'ExportDefaultSpecifier') {
diff --git a/src/rules/no-duplicates.ts b/src/rules/no-duplicates.ts
index 2ed7cb503..93813609c 100644
--- a/src/rules/no-duplicates.ts
+++ b/src/rules/no-duplicates.ts
@@ -381,7 +381,7 @@ function hasCommentInsideNonSpecifiers(
   // `node` (only inside). If there's a `{...}` part, look for comments before
   // the `{`, but not before the `}` (hence the `+1`s).
   const someTokens =
-    openBraceIndex >= 0 && closeBraceIndex >= 0
+    openBraceIndex !== -1 && closeBraceIndex !== -1
       ? [
           ...tokens.slice(1, openBraceIndex + 1),
           ...tokens.slice(closeBraceIndex + 1),
diff --git a/src/rules/no-import-module-exports.ts b/src/rules/no-import-module-exports.ts
index 29c54002f..d2cdf0981 100644
--- a/src/rules/no-import-module-exports.ts
+++ b/src/rules/no-import-module-exports.ts
@@ -21,17 +21,15 @@ function getEntryPoint(context: RuleContext) {
 
 function findScope(context: RuleContext, identifier: string) {
   const { scopeManager } = context.sourceCode
-  return (
-    scopeManager?.scopes
-      // eslint-disable-next-line unicorn/prefer-spread
-      .slice()
-      .reverse()
-      .find(scope =>
-        scope.variables.some(variable =>
-          variable.identifiers.some(node => node.name === identifier),
-        ),
-      )
-  )
+  return scopeManager?.scopes
+
+    .slice()
+    .reverse()
+    .find(scope =>
+      scope.variables.some(variable =>
+        variable.identifiers.some(node => node.name === identifier),
+      ),
+    )
 }
 
 function findDefinition(objectScope: TSESLint.Scope.Scope, identifier: string) {
diff --git a/src/rules/no-named-export.ts b/src/rules/no-named-export.ts
index bf4d8f968..b7a6b9d2d 100644
--- a/src/rules/no-named-export.ts
+++ b/src/rules/no-named-export.ts
@@ -32,8 +32,7 @@ export = createRule({
         }
 
         const someNamed = node.specifiers.some(
-          specifier => getValue(specifier.exported) !==
-            'default',
+          specifier => getValue(specifier.exported) !== 'default',
         )
         if (someNamed) {
           context.report({ node, messageId: 'noAllowed' })
diff --git a/src/rules/prefer-default-export.ts b/src/rules/prefer-default-export.ts
index aace88227..ea9f25d5e 100644
--- a/src/rules/prefer-default-export.ts
+++ b/src/rules/prefer-default-export.ts
@@ -69,9 +69,7 @@ export = createRule<[Options?], MessageId>({
       },
 
       ExportSpecifier(node) {
-        if (
-          getValue(node.exported) === 'default'
-        ) {
+        if (getValue(node.exported) === 'default') {
           hasDefaultExport = true
         } else {
           specifierExportCount++
diff --git a/src/utils/declared-scope.ts b/src/utils/declared-scope.ts
index 8a25d811f..c6c5a0c64 100644
--- a/src/utils/declared-scope.ts
+++ b/src/utils/declared-scope.ts
@@ -1,5 +1,5 @@
+import type { ScopeType } from '@typescript-eslint/scope-manager'
 import type { TSESTree } from '@typescript-eslint/utils'
-import type { ScopeType } from '@typescript-eslint/scope-manager';
 
 import type { RuleContext } from '../types'
 
diff --git a/src/utils/export-map.ts b/src/utils/export-map.ts
index d01bbe615..442357f0e 100644
--- a/src/utils/export-map.ts
+++ b/src/utils/export-map.ts
@@ -241,7 +241,10 @@ export class ExportMap {
       }
     }
 
-    function addNamespace(object: object, identifier: TSESTree.Identifier | TSESTree.StringLiteral) {
+    function addNamespace(
+      object: object,
+      identifier: TSESTree.Identifier | TSESTree.StringLiteral,
+    ) {
       const nsfn = getNamespace(getValue(identifier))
       if (nsfn) {
         Object.defineProperty(object, 'namespace', { get: nsfn })
diff --git a/test/rules/no-unresolved.spec.ts b/test/rules/no-unresolved.spec.ts
index fd6e793db..fea7598fc 100644
--- a/test/rules/no-unresolved.spec.ts
+++ b/test/rules/no-unresolved.spec.ts
@@ -149,7 +149,7 @@ function runResolverTests(resolver: 'node' | 'webpack') {
     invalid: [
       tInvalid({
         code: 'import reallyfake from "./reallyfake/module"',
-        settings: { 'import-x/ignore': ['^\\./fake/'] },
+        settings: { 'import-x/ignore': [String.raw`^\./fake/`] },
         errors: [createError('unresolved', './reallyfake/module')],
       }),
 
diff --git a/test/rules/order.spec.ts b/test/rules/order.spec.ts
index 6495c2018..37e72c3c4 100644
--- a/test/rules/order.spec.ts
+++ b/test/rules/order.spec.ts
@@ -2384,7 +2384,7 @@ ruleTester.run('order', rule, {
         },
       ],
       settings: {
-        'import-x/internal-regex': '^(a|b|c|d|e|f|g|h|i|j|k)(\\/|$)',
+        'import-x/internal-regex': String.raw`^(a|b|c|d|e|f|g|h|i|j|k)(\/|$)`,
       },
       errors: Array.from({ length: 11 }, () => ({
         messageId: 'oneLineBetweenGroups',
diff --git a/test/utils/import-type.spec.ts b/test/utils/import-type.spec.ts
index 2fe50d7a0..2762e6c87 100644
--- a/test/utils/import-type.spec.ts
+++ b/test/utils/import-type.spec.ts
@@ -313,21 +313,23 @@ describe('importType(name)', () => {
   it('`isExternalModule` works with windows directory separator', () => {
     const context = testContext()
     expect(
-      isExternalModule('foo', 'E:\\path\\to\\node_modules\\foo', context),
+      isExternalModule('foo', String.raw`E:\path\to\node_modules\foo`, context),
     ).toBe(true)
     expect(
       isExternalModule(
         '@foo/bar',
-        'E:\\path\\to\\node_modules\\@foo\\bar',
+        String.raw`E:\path\to\node_modules\@foo\bar`,
         context,
       ),
     ).toBe(true)
     expect(
       isExternalModule(
         'foo',
-        'E:\\path\\to\\node_modules\\foo',
+        String.raw`E:\path\to\node_modules\foo`,
         testContext({
-          'import-x/external-module-folders': ['E:\\path\\to\\node_modules'],
+          'import-x/external-module-folders': [
+            String.raw`E:\path\to\node_modules`,
+          ],
         }),
       ),
     ).toBe(true)
diff --git a/yarn.lock b/yarn.lock
index 9d14efbdd..dfe2a1bda 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2420,7 +2420,7 @@
     "@typescript-eslint/types" "5.62.0"
     "@typescript-eslint/visitor-keys" "5.62.0"
 
-"@typescript-eslint/scope-manager@8.15.0":
+"@typescript-eslint/scope-manager@8.15.0", "@typescript-eslint/scope-manager@^8.1.0":
   version "8.15.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-8.15.0.tgz#28a1a0f13038f382424f45a988961acaca38f7c6"
   integrity sha512-QRGy8ADi4J7ii95xz4UoiymmmMd/zuy9azCaamnZ3FM8T5fZcex8UfJcjkiEZjJSztKfEBe3dZ5T/5RHAmw2mA==